
main(List<String> args) {
  // 级联运算符.. 为链式编程做准备
  Person()
  ..name = 'lilei'
  ..run()
  ..eat();
}

class Person{
  String name = "";
  void run(){
    print("${name} person run");
  }
  void eat(){
    print("${name} person eat");
  }
}